211966707282 has 32 divisors (see below), whose sum is σ = 463103853120. Its totient is φ = 64144691520.

The previous prime is 211966707241. The next prime is 211966707301. The reversal of 211966707282 is 282707669112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142357 + ... + 2239112.

It is an arithmetic number, because the mean of its divisors is an integer number (14471995410).

Almost surely, 2^211966707282 is an apocalyptic number.

211966707282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211966707282 is an abundant number, since it is smaller than the sum of its proper divisors (251137145838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211966707282 is a wasteful number, since it uses less digits than its factorization.

211966707282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382218.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 211966707282 in words is "two hundred eleven billion, nine hundred sixty-six million, seven hundred seven thousand, two hundred eighty-two".